[entropy12]

Article says previously acquired immunity is likely for an older variant. The new variant is sneaky with different signature and flies under the radar to remain undetected.

[D Rider]

And Omicron is just like a cold, right? Good thing they just came out with a Vax for it. /s

[grey_whiskers]

No. It’s called “Original Antigenic Sin” and had been predicted by those honest scientists you pro-jab trolls like to dismiss as quacks.